/*
 * Copyright (C) 2012 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.epfresh.api.http.volley.toolbox;

import android.content.Context;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager.NameNotFoundException;

import com.epfresh.api.http.volley.Network;
import com.epfresh.api.http.volley.RequestQueue;

import java.io.File;
import java.security.SecureRandom;
import java.security.cert.X509Certificate;

import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLSocketFactory;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509TrustManager;

public class Volley {

    /**
     * Default on-disk cache directory.
     */
    private static final String DEFAULT_CACHE_DIR = "volley";

    /**
     * Creates a default instance of the worker pool and calls {@link RequestQueue#start()} on it.
     * You may set a maximum size of the disk cache in bytes.
     *
     * @param context           A {@link Context} to use for creating the cache dir.
     * @param stack             An {@link HttpStack} to use for the network, or null for default.
     * @param maxDiskCacheBytes the maximum size of the disk cache, in bytes. Use -1 for default size.
     * @return A started {@link RequestQueue} instance.
     */
    public static RequestQueue newRequestQueue(Context context, HttpStack stack, int maxDiskCacheBytes) {
        File cacheDir = new File(context.getCacheDir(), DEFAULT_CACHE_DIR);

        String userAgent = "volley/0";
        try {
            String packageName = context.getPackageName();
            PackageInfo info = context.getPackageManager().getPackageInfo(packageName, 0);
            userAgent = packageName + "/" + info.versionCode;
        } catch (NameNotFoundException e) {
        }

        if (stack == null) {
            stack = new HurlStack(null, getSocketFactory());
//            stack = new HurlStack();
//            try {
//                stack = new HurlStack(null, getSocketFactory(context.getAssets().open("server.crt"),context.getAssets().open("server.key")));
//            } catch (IOException e) {
//                e.printStackTrace();
//            }
        }

        Network network = new BasicNetwork(stack);

        RequestQueue queue;
        if (maxDiskCacheBytes <= -1) {
            // No maximum size specified
            queue = new RequestQueue(new DiskBasedCache(cacheDir), network);
        } else {
            // Disk cache size specified
            queue = new RequestQueue(new DiskBasedCache(cacheDir, maxDiskCacheBytes), network);
        }

        queue.start();

        return queue;
    }

    /**
     * Creates a default instance of the worker pool and calls {@link RequestQueue#start()} on it.
     * You may set a maximum size of the disk cache in bytes.
     *
     * @param context           A {@link Context} to use for creating the cache dir.
     * @param maxDiskCacheBytes the maximum size of the disk cache, in bytes. Use -1 for default size.
     * @return A started {@link RequestQueue} instance.
     */
    public static RequestQueue newRequestQueue(Context context, int maxDiskCacheBytes) {
        return newRequestQueue(context, null, maxDiskCacheBytes);
    }

    /**
     * Creates a default instance of the worker pool and calls {@link RequestQueue#start()} on it.
     *
     * @param context A {@link Context} to use for creating the cache dir.
     * @param stack   An {@link HttpStack} to use for the network, or null for default.
     * @return A started {@link RequestQueue} instance.
     */
    public static RequestQueue newRequestQueue(Context context, HttpStack stack) {
        return newRequestQueue(context, stack, -1);
    }

    /**
     * Creates a default instance of the worker pool and calls {@link RequestQueue#start()} on it.
     *
     * @param context A {@link Context} to use for creating the cache dir.
     * @return A started {@link RequestQueue} instance.
     */
    public static RequestQueue newRequestQueue(Context context) {
        return newRequestQueue(context, null);
    }



    public static SSLSocketFactory getSocketFactory() {
        try {
            SSLContext sllContext = getSLLContext();
            SSLSocketFactory socketFactory = sllContext.getSocketFactory();

            return socketFactory;

        } catch (Exception e) {
            e.printStackTrace();
        }
        return null;
    }


    public static SSLContext getSLLContext() {
        SSLContext sslContext = null;
        try {
            sslContext = SSLContext.getInstance("TLS");
            sslContext.init(null, new TrustManager[]{new X509TrustManager() {
                @Override
                public void checkClientTrusted(X509Certificate[] chain, String authType)  {}

                @Override
                public void checkServerTrusted(X509Certificate[] chain, String authType) {}

                @Override
                public X509Certificate[] getAcceptedIssuers() {
                    return new X509Certificate[0];
                }
            }}, new SecureRandom());
        } catch (Exception e) {
            e.printStackTrace();
        }
        return sslContext;
    }


}

